Finding the Fourth Proportional to 7,753.49, 10,699.82 and 4,216.70

Step by Step Solution

1. Step 1: Write the proportion equation
   7,753.49 : 10,699.82 = 4,216.70 : x
2. Step 2: Convert to fraction form
   7,753.49/10,699.82 = 4,216.70/x
3. Step 3: Cross multiply
   7,753.49x = 10,699.82 × 4,216.70
4. Step 4: Simplify right side
   7,753.49x = 45,117,968.29
5. Step 5: Solve for x
   x = 45,117,968.29/7,753.49
6. Step 6: Final answer
   x = 5,819.05